Home / 51,111.40-76,679.86-50,263.80

Finding the Fourth Proportional to 51,111.40, 76,679.86 and 50,263.80

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Solution

The fourth proportional to 51,111.40, 76,679.86 and 50,263.80 is: 75,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111.40 : 76,679.86 = 50,263.80 : x
  2. Step 2: Convert to fraction form
    51,111.40/76,679.86 = 50,263.80/x
  3. Step 3: Cross multiply
    51,111.40x = 76,679.86 × 50,263.80
  4. Step 4: Simplify right side
    51,111.40x = 3,854,221,147.07
  5. Step 5: Solve for x
    x = 3,854,221,147.07/51,111.40
  6. Step 6: Final answer
    x = 75,408.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.